CVE-2026-62909
CVE-2026-62909 is a high-severity vulnerability in Microsoft Visual Studio 2022 with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-252.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-252
- Affected product: Microsoft Visual Studio 2022
- Published:
- Last modified:
Description
Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
Frequently asked questions
- What is CVE-2026-62909?
- Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
- How severe is CVE-2026-62909?
- CVE-2026-62909 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-62909 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-62909?
- CVE-2026-62909 primarily affects Microsoft Visual Studio 2022. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-62909?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-62909 published?
- CVE-2026-62909 was published on 2026-08-11 and last updated on 2026-08-14.
References
Affected products (3)
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
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